CVE-2006-4019

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows...

6.4 MediumPublic exploitFix available

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows remote attackers to overwrite arbitrary program variables and read or write the attachments and preferences of other users.

Exploit likelihood

9.98%Down 2.6 points since Feb 4, 2022

What each source reports

NVD Score used 6.4

Record: CVE-2006-4019
CVSS 2.0: 6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2006-4019
Updated: 2026-11-02

EUVDEUVD-2006-4012 No score

Record: EUVD-2006-4012
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hx28-58mx-whmj No score

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows...

Record: GHSA-hx28-58mx-whmj
Updated: 2026-11-02

Affected products

squirrelmail

Affected packages

Affected packages
Package	Affected	Fixed
`squirrelmail` Debian:3.1	before 2:1.4.4-9, plus listed versions 2:1.4.4-52:1.4.4-62:1.4.4-6sarge12:1.4.4-72:1.4.4-8	2:1.4.4-9
`squirrelmail` Red Hat:enterprise_linux:3::as	before 0:1.4.8-2.el3	0:1.4.8-2.el3
`squirrelmail` Red Hat:enterprise_linux:3::desktop	before 0:1.4.8-2.el3	0:1.4.8-2.el3
`squirrelmail` Red Hat:enterprise_linux:3::es	before 0:1.4.8-2.el3	0:1.4.8-2.el3
`squirrelmail` Red Hat:enterprise_linux:3::ws	before 0:1.4.8-2.el3	0:1.4.8-2.el3
`squirrelmail` Red Hat:enterprise_linux:4::as	before 0:1.4.8-2.el4	0:1.4.8-2.el4
`squirrelmail` Red Hat:enterprise_linux:4::desktop	before 0:1.4.8-2.el4	0:1.4.8-2.el4
`squirrelmail` Red Hat:enterprise_linux:4::es	before 0:1.4.8-2.el4	0:1.4.8-2.el4
`squirrelmail` Red Hat:enterprise_linux:4::ws	before 0:1.4.8-2.el4	0:1.4.8-2.el4

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	SquirrelMail < 1.4.7 - Arbitrary Variable Overwrite	2016-08-11

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-4019 is a medium vulnerability (CVSS 6.4) in Squirrelmail, published August 11, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.98%, the 95th percentile. Fixed in squirrelmail 2:1.4.4-9.

References

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